Forbes, W. T. M. 1948. Lepidoptera of New York and Neighboring States, Part II. Geometridae, Sphingidae, Notodontidae, Lymantriidae. Cornell University Agricultural Experiment Station Memoirs 274: 1–263.

Hulst, G. D. 1896. A classification of the Geometrina of North America, with descriptions of new genera and species. Transactions of the American Entomological Society XXIII(3): 245–386.

Mikkola, K., Jalas, I. & Peltonen, O. 1985. Suomen perhoset. Mittarit 1. Suomen Perhostutkijain Seura, Tampereen Kirjapaino Oy Tamprint, Tampere. 260 s.

Pierce, F. N. 1914. The genitalia of the group Geometridae of the Lepidoptera of the British Islands. An account of the morphology of the male clasping organs and the corresponding organs of the female. F. N. Pierce, Liverpool. xxix, 88, [XLVIII] s.

Prout, L. B. 1912–1916. The Palaearctic Geometrae. Teoksessa: Seitz, A. (toim.): The Macrolepidoptera of the World. A systematic description of the known Macrolepidoptera edited with the collaboration of well-known specialists. The Macrolepidoptera of the Palearctic Fauna. IV. Volume. Verlag des Seitz'schen Werkes (Alfred Kernen), Stuttgart. S. I–V, 1–479.

Costaconvexa

No type specimen

Type specimen

No national museum collection specimen

National museum collection specimen